Dettifoss Waterfall, Iceland (IMAGE) University of Edinburgh Caption The Dettifoss waterfall, Europe's most powerful, is housed in a canyon that was formed in a matter of days by extreme floods, new research from the University of Edinburgh has shown. Credit Edwin Baynes Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.